Question

resolvas as seguites quetoes.

a- 5a + b = -7

b- 3a + 2b =0

c- y = 2x

d- m - n = 11

e- x + 5 = 2

f- 4 -x = 7

Answer 1

Olá!

a) -a + b = –7
→ b - a = –7

b) -3a + 2b = 0
→ 2b -3a = 0

c) y = 2x
Resolva para y = 0
→ 0 = 2x
→ x = 0

d) -m -n = 11
→ m + n = -11

e) x + 5 = 2
→ x = 2 – 5
→ x = –3

f) 4 -x = 7
→ -x = 7 – 4
→ –x = 3 (–1)
→ x = –3


Boa interpretação!